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157554042 = 23192947657
BaseRepresentation
bin10010110010000…
…01010101111010
3101222110120111220
421121001111322
5310313212132
623344532510
73622121142
oct1131012572
9358416456
10157554042
1180a31758
1244921136
1326845359
1416cd3922
15dc72a2c
hex964157a

157554042 has 32 divisors (see below), whose sum is σ = 343137600. Its totient is φ = 48037248.

The previous prime is 157554031. The next prime is 157554043. The reversal of 157554042 is 240455751.

It is a junction number, because it is equal to n+sod(n) for n = 157553994 and 157554012.

It is not an unprimeable number, because it can be changed into a prime (157554043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20523 + ... + 27134.

It is an arithmetic number, because the mean of its divisors is an integer number (10723050).

Almost surely, 2157554042 is an apocalyptic number.

157554042 is an abundant number, since it is smaller than the sum of its proper divisors (185583558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157554042 is a wasteful number, since it uses less digits than its factorization.

157554042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47710.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 157554042 is about 12552.0532981660. The cubic root of 157554042 is about 540.1029090565.

The spelling of 157554042 in words is "one hundred fifty-seven million, five hundred fifty-four thousand, forty-two".

Divisors: 1 2 3 6 19 29 38 57 58 87 114 174 551 1102 1653 3306 47657 95314 142971 285942 905483 1382053 1810966 2716449 2764106 4146159 5432898 8292318 26259007 52518014 78777021 157554042